output

Emitted to tweak the formatting of the value for display.

```c // show leading zeros static gboolean on_output (GtkSpinButton *spin, gpointer data) { char *text; int value;

value = gtk_spin_button_get_value_as_int (spin); text = g_strdup_printf ("02d", value); gtk_editable_set_text (GTK_EDITABLE (spin), text): g_free (text);

return TRUE; } ```

Returns:

true if the value has been displayed